Electric hamburger grill



FIG. 1 is a perspective view of an electric hamburger grill showing my design therefor;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines depict portions of the grill that form no part of the claimed design. 

CLAIM The ornamental design for an electric hamburger grill, as shown and described. 